Raspberry Pi 3 Model B is the initial model of the third generation of Raspberry Pi? which has following specs: Quad Core 1.2GHZ Broadcom processor, 1GB RAM,BCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board,100 Base Ethernet,40-pin extended GPIO, 4 USB 2 ports,4 Pole stereo output and composite video port, Full size HDMI, CSI camera port for connecting a Raspberry Pi camera, DSI display port for connecting a Raspberry Pi touchscreen display, Micro SD port for loading your operating system and storing data and Upgraded switched Micro USB power source up to 2.5A